#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int main()
{
	/*double a = 7;*/
	/*printf("%lf", a / 2.0);*/
	/*int a = 5;
	int b = a++;
	printf("a=%d\nb=%d\n", a ,b);
	printf("%d", printf("abcd\n"));*/
	/*int a = 0;
	scanf("%d", &a);
	printf("a=%8d\n", a);
	printf("%*d", 4, a);*/
	/*int a, b, c;
	 int i=scanf("%d%d%d", &a, &b, &c);
	 printf("%d", i);*/

	return 0;
}